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i have Home Work could some one help me to solve this Question" or give me the guide

X, Y and Z are continuous random variables with joint density

F(x,y,z)= {(3/32 x^2) y+[1/48(x+y)z For 0<x<2,

0<y<1

0<z<4

elswhere =0

1) find the marginal of x,y and z

2)find E(x), E(y) and E(z)

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# Question could someone help me

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